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444119169 = 31317669863
BaseRepresentation
bin11010011110001…
…011100010000001
31010221200120222010
4122132023202001
51402143303134
6112023003133
714001644034
oct3236134201
91127616863
10444119169
1120876a33a
121048994a9
137101b010
1442dab01b
1528ecace9
hex1a78b881

444119169 has 16 divisors (see below), whose sum is σ = 675222912. Its totient is φ = 257227008.

The previous prime is 444119161. The next prime is 444119173. The reversal of 444119169 is 961911444.

It is not a de Polignac number, because 444119169 - 23 = 444119161 is a prime.

It is a super-2 number, since 2×4441191692 = 394483672546501122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (444119161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334269 + ... + 335594.

It is an arithmetic number, because the mean of its divisors is an integer number (42201432).

Almost surely, 2444119169 is an apocalyptic number.

It is an amenable number.

444119169 is a deficient number, since it is larger than the sum of its proper divisors (231103743).

444119169 is a wasteful number, since it uses less digits than its factorization.

444119169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669896.

The product of its digits is 31104, while the sum is 39.

The square root of 444119169 is about 21074.1350712194. The cubic root of 444119169 is about 762.9566092151.

The spelling of 444119169 in words is "four hundred forty-four million, one hundred nineteen thousand, one hundred sixty-nine".

Divisors: 1 3 13 17 39 51 221 663 669863 2009589 8708219 11387671 26124657 34163013 148039723 444119169